[Bug 1269] test-dma-perf running in iova-mode as PA for rte_memcpy results in seg-fault.

[bugzilla at dpdk.org]

https://bugs.dpdk.org/show_bug.cgi?id=1269

            Bug ID: 1269
           Summary: test-dma-perf running in iova-mode as PA for
                    rte_memcpy results in seg-fault.
           Product: DPDK
           Version: 23.07
          Hardware: All
                OS: Linux
            Status: UNCONFIRMED
          Severity: major
          Priority: Normal
         Component: examples
          Assignee: dev at dpdk.org
          Reporter: vipin.varghese at amd.com
  Target Milestone: ---

Platform:
CPU: AMD EPYC 9374F 32-Core Processor
OS: RHEL 8.5
Kernel: 4.18.0-372.26.1.el8_6.x86_64
DPDK Application: dpdk-test-dma-perf

Configuration:
```
[case1]
type=CPU_MEM_COPY
mem_size=10
buf_size=64,8192,2,MUL
src_numa_node=0
dst_numa_node=0
cache_flush=0
test_seconds=2
lcore = 7
eal_args=--in-memory --no-pci 
```

Logs:
```
EAL: Virtual area found at 0x1180000000 (size = 0x61000)
EAL: Memseg list allocated at socket 0, page size 0x800kB
EAL: Ask a virtual area of 0x400000000 bytes
EAL: Virtual area found at 0x1180200000 (size = 0x400000000)
EAL: VA reserved for memseg list at 0x1180200000, size 400000000
EAL: Ask a virtual area of 0x61000 bytes
EAL: Virtual area found at 0x1580200000 (size = 0x61000)
EAL: Memseg list allocated at socket 0, page size 0x800kB
EAL: Ask a virtual area of 0x400000000 bytes
EAL: Virtual area found at 0x1580400000 (size = 0x400000000)
EAL: VA reserved for memseg list at 0x1580400000, size 400000000
EAL: Ask a virtual area of 0x61000 bytes
EAL: Virtual area found at 0x1980400000 (size = 0x61000)
EAL: Memseg list allocated at socket 0, page size 0x800kB
EAL: Ask a virtual area of 0x400000000 bytes
EAL: Virtual area found at 0x1980600000 (size = 0x400000000)
EAL: VA reserved for memseg list at 0x1980600000, size 400000000
EAL: Ask a virtual area of 0x61000 bytes
EAL: Virtual area found at 0x1d80600000 (size = 0x61000)
EAL: Memseg list allocated at socket 0, page size 0x800kB
EAL: Ask a virtual area of 0x400000000 bytes
EAL: Virtual area found at 0x1d80800000 (size = 0x400000000)
EAL: VA reserved for memseg list at 0x1d80800000, size 400000000
EAL: Using memfd for anonymous memory
EAL: No shared files mode enabled, IPC is disabled
EAL: No shared files mode enabled, IPC is disabled
EAL: TSC frequency is ~3840000 KHz
EAL: Main lcore 1 is ready (tid=7ff91da0cc00;cpuset=[1])
EAL: lcore 2 is ready (tid=7ff91be46400;cpuset=[2])
EAL: lcore 3 is ready (tid=7ff91b645400;cpuset=[3])
EAL: lcore 4 is ready (tid=7ff91ae44400;cpuset=[4])
EAL: lcore 7 is ready (tid=7ff919641400;cpuset=[7])
EAL: lcore 6 is ready (tid=7ff919e42400;cpuset=[6])
EAL: lcore 5 is ready (tid=7ff91a643400;cpuset=[5])
EAL: Trying to obtain current memory policy.
EAL: Setting policy MPOL_PREFERRED for socket 0
EAL: alloc_seg(): mmap() failed: Cannot allocate memory
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x1180200000 (size = 0x200000)
EAL: attempted to allocate 1 segments, but only 0 were allocated
EAL: Restoring previous memory policy: 0
EAL: Trying to obtain current memory policy.
EAL: Setting policy MPOL_PREFERRED for socket 0
EAL: Restoring previous memory policy: 0
EAL: request: mp_malloc_sync
EAL: No shared files mode enabled, IPC is disabled
EAL: Heap on socket 0 was expanded by 1024MB
EAL: Module /sys/module/vfio not found! error 2 (No such file or directory)
EAL: lib.telemetry log level changed from disabled to warning
TELEMETRY: No legacy callbacks, legacy socket not created
Number of used lcores: 7.

Running scenario 1
Start testing....
Case process killed by signal 11

Bye...

```

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